Facts
- Chemical formula
- KBaNa₂(Mn,Na)₈(Nb,Ti)₄(Si₂O₇)₄O₄(OH)₄(O,F)₂
- Crystal system
- Triclinic
- Elements in formula
- Potassium, Barium, Sodium, Manganese, Niobium, Titanium, Silicon, Oxygen, Hydrogen, Fluorine
- Number of elements
- 10
- IMA status
- Redefined
- Type locality
- Poudrette quarry
- Named after
- Robert D. Shannon
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19810682